Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput

Waseem  Ozan; Paul Haigh; Bo Tan; Izzat  Darwazeh

doi:10.1109/VTCSpring.2018.8417512

Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput

Waseem Ozan, Paul Haigh, Bo Tan, Izzat Darwazeh

University College London

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding › peer-review

9 Citations (Scopus)

104 Downloads (Pure)

Abstract

In spectrally efficient frequency division multiplexing (SEFDM), the separation between subcarriers is reduced below the Nyquist criteria, enhancing bandwidth utilisation in comparison to orthogonal frequency division multiplexing (OFDM). This leads to self-induced inter-carrier interference (ICI) in the SEFDM signal, which requires more sophisticated detectors to retrieve the transmitted data. In previous work, iterative detectors (IDs) have been used to recover the SEFDM signal after processing a certain number of iterations, however, the sequential iterative process increases the processing time with the number of iterations, leading to throughput reduction. In this work, ID pipelining is designed and implemented in software defined radio (SDR) to reduce the overall system detection latency and improve the throughput. Thus, symbols are allocated into parallel IDs that have no waiting time as they are received. Our experimental findings show that throughput will improve linearly with the number of the paralleled ID elements, however, hardware complexity also increases linearly with the number of ID elements.

Original language	English
Title of host publication	2018 IEEE 87th Vehicular Technology Conference (VTC Spring)
Publisher	IEEE
Number of pages	5
ISBN (Electronic)	978-1-5386-6355-4
ISBN (Print)	978-1-5386-6356-1
DOIs	https://doi.org/10.1109/VTCSpring.2018.8417512
Publication status	Published - 26 Jul 2018
Event	2018 IEEE 87th Vehicular Technology Conference - Porto, Portugal Duration: 3 Jun 2018 → 6 Jun 2018 http://www.ieeevtc.org/vtc2018spring/

Conference

Conference	2018 IEEE 87th Vehicular Technology Conference
Country/Territory	Portugal
City	Porto
Period	3/06/18 → 6/06/18
Internet address	http://www.ieeevtc.org/vtc2018spring/

Bibliographical note

© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must
be obtained for all other uses, in any current or future media, including
reprinting/republishing this material for advertising or promotional purposes,
creating new collective works, for resale or redistribution to servers or lists, or
reuse of any copyrighted component of this work in other works.
Copyright © and Moral Rights are retained by the author(s) and/ or other copyright
owners. A copy can be downloaded for personal non-commercial research or study,
without prior permission or charge. This item cannot be reproduced or quoted extensively
from without first obtaining permission in writing from the copyright holder(s). The
content must not be changed in any way or sold commercially in any format or medium
without the formal permission of the copyright holders.

Keywords

Iterative detector
non-orthogonal
pipelining design
spectrally efficient
SEFDM
OFDM

Access to Document

10.1109/VTCSpring.2018.8417512

Post-PrintAccepted author manuscript, 4.57 MBLicence: CC BY-NC

Cite this

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title = "Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput",

abstract = "In spectrally efficient frequency division multiplexing (SEFDM), the separation between subcarriers is reduced below the Nyquist criteria, enhancing bandwidth utilisation in comparison to orthogonal frequency division multiplexing (OFDM). This leads to self-induced inter-carrier interference (ICI) in the SEFDM signal, which requires more sophisticated detectors to retrieve the transmitted data. In previous work, iterative detectors (IDs) have been used to recover the SEFDM signal after processing a certain number of iterations, however, the sequential iterative process increases the processing time with the number of iterations, leading to throughput reduction. In this work, ID pipelining is designed and implemented in software defined radio (SDR) to reduce the overall system detection latency and improve the throughput. Thus, symbols are allocated into parallel IDs that have no waiting time as they are received. Our experimental findings show that throughput will improve linearly with the number of the paralleled ID elements, however, hardware complexity also increases linearly with the number of ID elements.",

keywords = "Iterative detector, non-orthogonal, pipelining design, spectrally efficient, SEFDM, OFDM",

author = "Waseem Ozan and Paul Haigh and Bo Tan and Izzat Darwazeh",

note = "{\textcopyright} 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Copyright {\textcopyright} and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders. ; 2018 IEEE 87th Vehicular Technology Conference ; Conference date: 03-06-2018 Through 06-06-2018",

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language = "English",

isbn = "978-1-5386-6356-1",

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TY - GEN

T1 - Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput

AU - Ozan, Waseem

AU - Haigh, Paul

AU - Tan, Bo

AU - Darwazeh, Izzat

N1 - © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

PY - 2018/7/26

Y1 - 2018/7/26

N2 - In spectrally efficient frequency division multiplexing (SEFDM), the separation between subcarriers is reduced below the Nyquist criteria, enhancing bandwidth utilisation in comparison to orthogonal frequency division multiplexing (OFDM). This leads to self-induced inter-carrier interference (ICI) in the SEFDM signal, which requires more sophisticated detectors to retrieve the transmitted data. In previous work, iterative detectors (IDs) have been used to recover the SEFDM signal after processing a certain number of iterations, however, the sequential iterative process increases the processing time with the number of iterations, leading to throughput reduction. In this work, ID pipelining is designed and implemented in software defined radio (SDR) to reduce the overall system detection latency and improve the throughput. Thus, symbols are allocated into parallel IDs that have no waiting time as they are received. Our experimental findings show that throughput will improve linearly with the number of the paralleled ID elements, however, hardware complexity also increases linearly with the number of ID elements.

AB - In spectrally efficient frequency division multiplexing (SEFDM), the separation between subcarriers is reduced below the Nyquist criteria, enhancing bandwidth utilisation in comparison to orthogonal frequency division multiplexing (OFDM). This leads to self-induced inter-carrier interference (ICI) in the SEFDM signal, which requires more sophisticated detectors to retrieve the transmitted data. In previous work, iterative detectors (IDs) have been used to recover the SEFDM signal after processing a certain number of iterations, however, the sequential iterative process increases the processing time with the number of iterations, leading to throughput reduction. In this work, ID pipelining is designed and implemented in software defined radio (SDR) to reduce the overall system detection latency and improve the throughput. Thus, symbols are allocated into parallel IDs that have no waiting time as they are received. Our experimental findings show that throughput will improve linearly with the number of the paralleled ID elements, however, hardware complexity also increases linearly with the number of ID elements.

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KW - non-orthogonal

KW - pipelining design

KW - spectrally efficient

KW - SEFDM

KW - OFDM

U2 - 10.1109/VTCSpring.2018.8417512

DO - 10.1109/VTCSpring.2018.8417512

M3 - Conference proceeding

SN - 978-1-5386-6356-1

BT - 2018 IEEE 87th Vehicular Technology Conference (VTC Spring)

PB - IEEE

T2 - 2018 IEEE 87th Vehicular Technology Conference

Y2 - 3 June 2018 through 6 June 2018

ER -

Experimental SEFDM Pipelined Iterative Detection Architecture with Improved Throughput

Abstract

Conference

Bibliographical note

Keywords

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